ci-images-cache-cleaner.yaml

name: Auto Clean CI Cache

# Any change in triggers needs to be reflected in the concurrency group.
on:
  workflow_dispatch:
  schedule:
    # run 4:00 am once for a week, in shanghai timezone
    # cron by UTC, shanghai timezone = UTC + 8
    - cron: "0 20 * * 0"

permissions: read-all

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.event.after }}
  cancel-in-progress: true

jobs:
  cache-cleaner:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          # for each image
          - name: controllerimage

    steps:
      # Load Golang cache build from GitHub
      - name: Load ${{ matrix.name }} Golang cache build from GitHub
        uses: actions/cache@v3.0.1
        id: cache
        with:
          path: /tmp/.cache/${{ matrix.name }}
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}-${{ matrix.name }}-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}-${{ matrix.name }}-
            ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}-
            ${{ runner.os }}-go-

      - name: Create ${{ matrix.name }} cache directory
        if: ${{ steps.cache.outputs.cache-hit != 'true' }}
        shell: bash
        run: |
          mkdir -p /tmp/.cache/${{ matrix.name }}

      # Clean docker's golang's cache
      - name: Clean ${{ matrix.name }} Golang cache from GitHub
        shell: bash
        run: |
          rm -f /tmp/.cache/${{ matrix.name }}/go-build-cache.tar.gz
          rm -f /tmp/.cache/${{ matrix.name }}/go-pkg-cache.tar.gz